TDA7000 FM Receiver Circuit
This simple FM radio receiver circuit can be built around the special purpose TDA7000 IC. The TDA7000 integrates nearly all the functions necessary to build an FM receiver needing only a few external capacitors and a tuning circuit. Using a simple active RC filter made of only a single inductor, a few resistors and a varicap, this FM receiver can pick up broadcast radio between about 88 and 108 MHz spectrum. The output signal can then be used to drive a set of high impedance headphones (crystal), or feed into a power amplifier.
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